Attachment for underwater harpoon guns



Jan. 22, 1957 P. FURNARI ATTACHMENT FOR UNDERWATER HARPOON cums Filed April 4. 1955 m Tv V ATTORNEYS United States Patent ATTACHMENT FOR UNDERWATER HARPOON GUNS Paul Furnarl, Brooklyn, N. Y. Application April 4, 1955, Serial No. 498,858 3 Claims. (Cl. 43-6) This invention relates to underwater harpoon guns, and more specifically, to attachments therefor.

One of the primary objects of this invention is to provide an underwater harpoon gun with a combined scanning lens and front Another object of this invention is to provide an attachment of the type described together with means for illuminating the environment of the target area.

A further object of this invention is to provide the above referred to attachment and means with other means for releasably securing one to the other.

This invention has, as a still further object, the provision of the scanning sight and illuminating means therefor which are inexpensive to manufacture, noncomplex in construction and assembly, and durable in use.

Other and further objects and advantages of the present invention will become more manifest from a consideration of the following specification when read in conjunction with the annexed drawing, in which:

Figure 1 is a side elevational view of a conventional harpoon gun together with the scanning and sight attachment and the illuminating means.

Figure 2 is a in Figure 1.

Figure 3 is an enlarged fragmentary detail cross-sectional View, partly in elevation, taken on the line 3-3 of Figure 2, looking in the direction of the arrows.

Figure 4 is a front elevational view of the device illustrated in Figures 1 and 2.

Referring now more specifically to the drawing, reference numeral designates, in general, a conventional underwater harpoon gun including a stock 12, a handle portion 14 projecting laterally therefrom, a trigger 16, and a triggegr guard 18 fixedly secured to the stock 12. The harpoon gun 10 is provided with the usual longitudinally extending bore 20 formed in the stock 12 and comprising the barrel for the harpoon 22. The stock 12 has secured thereto the conventional reel 24 for the line 26 which is secured to the harpoon 22 in the usual manner.

The sighting and illuminating means to which this invention relates is designated, in general, by the reference numeral 28. As illustrated in the drawing, the scanning and sighting attachment 30 is seen to comprise an elongated frusto-conical member having a tapered web 32 projecting laterally and outwardly therefrom. The web 32 is positioned intermediate the ends of the frusto-conical member 30 and is adapted to be received in a longitudinal- 1y extending groove 34 which extends downwardly from the upper side 36 of the stock 12. A plurality of rivets 38 extend through suitable openings formed in the stock 12 and the web 32 whereby the attachment is fixedly secured thereon.

A block 40 is fixedly secured to the frusto-conical member 30 as by welding at 42. A substantially U-shaped top plan view of the invention illustrated Patented Jan. 22, 1957 clamp 44 having a pair of opposed arcuately shaped side walls 46, 48 has the bight portion 50 detachably secured to the block 40 by means of screws 52. The spring is adapted to releasably engage against the side externally threaded end 62 of the flash light 56, and the connectiontherebetween is made watertight.

An eye guard 64 is integrally formed with, or fixedly secured to, the smaller end of the frusto-conical member 30. A rear sight 66, of conventional design, is fixedly secured to the frusto-conical member 30 and projects radially inwardly therefrom adjacent the eye guard 64. The end of the frusto-conical member 30 having the greatest diameter is externally threaded at 68 to receive thereon an internally threaded sleeve 70 having an inwardly extending circumferential flange 72.

As is seen in Figure 3 of the drawing, a lens 74, formed of glass or other suitable transparent materials, is clamped between the fiange '72 and the adjacent end of the frustoconical member 30, and a gasket 76 is interposed between the flange 72 and the lens 74 to eifect a watertight seal therebetween. A plurality of sighting cross-hairs 78 are provided for the lens 74.

To use the present invention, the hunter is transported by a boat or other type of water craft 80 to the hunting area. The harpoon gun 10 together with the sighting attachment and illuminating means 30 in the water over a portion of its length. The user then places an eye at the eye guard and scans the hunting area. If game is discovered the harpoon gun is aimed and discharged in the conventional manner.

Having described and illustrated one embodiment of this invention, it will be understood that the same is offered merely. by way of example, and that the invention is to be limited only by the scope of the appended claims.

What is claimed is:

1. A combined harpoon gun and underwater scanning and sighting attachment therefor comprising a stock, a harpoon firing mechanism mounted in said stock, a handle extending from one side of said stock adjacent one end thereof, said stock having a groove formed in the side thereof opposite said handle, an elongated hollow member, a web mounted on said member and extending radially thereof, said web having its outer edge parallel to the axis of said member, an eye guard fixed to one end of said member, a transparent member and watertight seal detachably secured to the opposite end of said member, means on said transparent member forming a sight, means in said first named member adjacent said eye guard forming a sight adapted to cooperate with said first named sight to aim said gun, and means for securing said web in said groove to attach said first named member to said stock.

2. A device as claimed in claim 1 wherein said first named member has a frusto-conical configuration with said eye guard attached to the smaller end, and said transparent member seal attached to the larger end.

3. An attachment for an underwater harpoon gun as defined in claim 2, and illuminating means secured to said member.

References Cited in the file of this patent UNITED STATES PATENTS 678,467 Groomes July 16, 1901 813,677 Stillwell Feb. 27, 1906 1,451,096 Hagen Apr. 10, 1923 1,989,443 Arnold Jan. 29, 1935 2,238,504 Pearson Apr. 15, 1941 2,404,556 Wirth July 23, 1946 28 is then submerged 

